Binding Energies of the Baryons and Dihyperon in the Non-Relativistic Quark Model with Meson Exchange : Nuclear Physics

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概要

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• We have calculated the baryon and dihyperon masses in the non-relativistic quark model with the pseudoscalar nonet and σ meson exchange potential. The flavor SU(3) symmetry breaking is taken into account both in the Hamiltonian and in quark wave functions. We have obtained the H-dihyperon binding energy ranges 54-70 MeV and 18-27 MeV below the ΛΛ threshold for the strength of the linear confinement potential 2.0 fm^<-2> and 3.0 fm^<-2>, respectively. The range of the binding energy has its origin in the choice of the root mean square radius of bare proton (0.4-0.5 fm). The mass spectra of octet and decuplet baryons can be reproduced within the errors of a couple of percents.

• 理論物理学刊行会の論文
• 1991-08-25

著者

• AIZAWA NARUHIKO

  DEPARTMENT OF APPLIED MATHEMATICS, OSAKA WOMEN'S UNIVERSITY

• Aizawa N

  Osaka Women's Univ. Osaka

• Aizawa Naruhiko

  Department Of Applied Mathematics Osaka Women's University

• HIRATA Michihiro

  Department of Physics, Hiroshima University

• Hirata Michihiro

  Department Of Physics Brown University

• AIZAWA Nobuyuki

  Department of Nuclear Engineering, Kyoto University

• AIZAWA Nobuyuki

  Department of Nuclesr Engineering, Kyoto University

• HIRATA Michihiro

  Department of Physics, Brown University

• AIZAWA Naruhiko

  Department of Physics, Hiroshima University

• AIZAWA Naruhiko

  Department of Applied Mathematics,Osaka Women's University

• AIZAWA Naruhiko

  Research Center for Nuclear Physics, Osaka University

• Hirata Michihiro

  Department of Mathematics, Tokyo Metropolitan University

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• Effect to Exchange Currents on Orbital g-Factors and E1 Sum Rule for Photoabsorption
• Binding Energies of the Baryons and Dihyperon in the Non-Relativistic Quark Model with Meson Exchange : Nuclear Physics
• Non-Perturbative Treatment for the Mass Splitting between the Delta and the Nucleon in the Non-Relativistic Quark Model
• A New Scheme for η'-η-Glueball Mixing
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• Violation of the Vacuum Symmetry, Decay Constants and the Mixing of "η" Mesons
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• Poisson Law for the Return Times of Some Chaotic Dynamical Systems
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• Effect of Exchange Currents on Orbital g-Factor and E1 Sum Rule for Photoabsorption and Analogous Effect on Beta Decay
• The Electric Charge Distribution of the Lambda Particle : Particles and Fields
• Study of Core Excited States in ^O
• Dynamical Breaking of Chiral Symmetry and Aspects of Vacuum : Particles and Fields
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